GC

Guofan Chen

UN Unknown: 1 patents #373 of 3,359Top 15%
Overall (2017): #411,675 of 506,227Top 85%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9745772 Back-type expanding and opening foldable sunshade apparatus 2017-08-29